package sgt.supermarket.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class CharacterEncodingFilter implements Filter {

    private FilterConfig fc;

    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) res;

        response.setContentType("text/html; charset=UTF-8");
        request.setCharacterEncoding("UTF8");

        chain.doFilter(request, response);

        response.setContentType("text/html; charset=UTF-8");
        request.setCharacterEncoding("UTF8");
    }

    public void init(FilterConfig filterConfig) {
        this.fc = filterConfig;
    }

    public void destroy() {
        this.fc = null;
    }
}
